Authors: Walter R Frontera; Marcus J Fuhrer; Alan M Jette; Leighton Chan; Rory A Cooper; Pamela W Duncan; John D Kemp; Kenneth J Ottenbacher; P Hunter Peckham; Elliot J Roth; Denise G Tate Journal: Am J Phys Med Rehabil Date: 2005-12 Impact factor: 2.159